{"action":"Upgrade nasm to 2.15.04-1 or later.","affected":[{"fixed":"2.15.04-1","introduced":"0"}],"component":"nasm","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.15.04-1"],"id":"tcs_01M5NER915XCEBZRYCZFES9QK2","modified_at":"2026-09-11T11:02:05.357696620Z","published_at":"2023-08-22T19:15:55.740Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-18780","https://security-tracker.debian.org/tracker/CVE-2020-18780"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-18780#Debian:14/nasm","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-18780"}],"summary":"A Use After Free vulnerability in function new_Token in asm/preproc.c in nasm 2.14.02 allows attackers to cause a denial of service via crafted nasm command."}